When do we say that work is done?


Work is said to be done when a force applied to an object moves that object. We can calculate work by multiplying the force by the movement of the object.

W = F × d


F = Applied force

d – distance

The SI unit of work is the joule (J)

When we say work is done?

Work is done whenever the given conditions are satisfied:

  •  A force acts on the body.
  •  There is a displacement of the body caused by the applied force along the direction of the applied force.

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